MYDAYS OUTDOOR 20L Bike Panniers Bag, 2 Pack Waterproof Bicycle Rear Rack Bag, Large Capacity Flap Bike Trunk Bag for Cycling Commuting Travel, Durable Nylon Bike Luggage for Road Mountain Bike

["MYDAYS OUTDOOR bike panniers are made of high-density waterproof nylon fabric with waterproof coating, fearless of rainy riding and road splashes. The 20L large capacity double pack design meets the loading needs of single-day riding and short-distance travel, compatible with most road/mountain bike rear racks","Flip-top design for easy access to riding gear, daily sundries, and grocery bags; it can hold a 13-15 inch laptop，balancing commuting and office travel, a must-have for outdoor trips","Upgraded buckles + adjustable straps, install/remove in 3 minutes, fit tightly to the rear rack without shaking, stable even on bumpy roads, easy for beginners to operate, making riding storage more worry-free","A handle design makes it easy to carry this bag around in comfort. You can alter how to carry depending on your needs","This pannier uses tear-resistant and wear-resistant fabric with sturdy buckles, strong load-bearing capacity, and remains intact after long-term outdoor riding for a longer service life"]